EP2721635A1 - Vorrichtung und verfahren zum positionieren eines elektronischen bauteils und/oder eines trägers relativ zu einer ausstosseinrichtung - Google Patents
Vorrichtung und verfahren zum positionieren eines elektronischen bauteils und/oder eines trägers relativ zu einer ausstosseinrichtungInfo
- Publication number
- EP2721635A1 EP2721635A1 EP12727597.2A EP12727597A EP2721635A1 EP 2721635 A1 EP2721635 A1 EP 2721635A1 EP 12727597 A EP12727597 A EP 12727597A EP 2721635 A1 EP2721635 A1 EP 2721635A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- carrier
- electronic component
- image data
- ejector
- transmitted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
- H01L21/681—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment using optical controlling means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67132—Apparatus for placing on an insulating substrate, e.g. tape
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/02—Feeding of components
- H05K13/021—Loading or unloading of containers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/02—Feeding of components
- H05K13/022—Feeding of components with orientation of the elements
Definitions
- An apparatus and method for positioning an electronic component and / or a carrier relative to an ejector is described.
- a device and a method is described in which an electronic component and / or a carrier is positioned on the carrier before the electronic component is transferred.
- DE 10 2006 027 663 A1 describes an optical inspection system for measuring electronic components, which makes it possible to inspect unhoused components before they are picked up by a placement head.
- JP 2009 016455 A describes an apparatus and a method for detecting the position of a substrate.
- An example of a device for transmitting electronic components from a first carrier to a second carrier is described in DE 10 2011 017 218 A1.
- a positioning device and a positioning method for the transmission of electronic components describes a positioning device and a positioning method for the transmission of electronic components.
- a semiconductor wafer arranged on a carrier foil is arranged above and parallel to a ribbon-like substrate.
- the wafer can be displaced within the wafer plane by means of a wafer holder and additionally by a wafer perpendicular to the wafer plane
- An ejection device comprises a knock-out needle, which acts by means of a downward movement on the back of a chip to be detached and removes it from the carrier film.
- the detached from the carrier film chip is thereby deposited on a bonding position on the belt-like substrate.
- the gap between the carrier film and the substrate is usually very narrow, so that the position of the electronic components and the bonding position can not be optically detected. Accordingly, it is not possible to align a single component and / or the substrate before transferring the component exactly to each other, so to position each other.
- the object is to provide a device and a method with which the position of the electronic component and / or the substrate can be exactly detected and optionally corrected before the electronic component is transmitted.
- the throughput rate should not be affected.
- the ejection device has a slide for at least one electronic component and a housing surrounding the slider, wherein the housing has a first light-permeable region. Inside the housing, a first mirror is arranged.
- a first carrier providing the electronic components to be transmitted comprises a first side facing the ejection device and a second side facing away from the ejection device, a plurality of the electronic components being provided on the second side.
- At least one image data acquisition device is configured to detect image data of a region through which the slider is provided with the at least one electronic component through the first light-permeable region of the housing
- a controller is set up to interact.
- a controller is set up from the detected To determine image data position data of the electronic component to be transmitted and to generate control commands due to the position data.
- At least one first actuator is configured to move the first carrier and the ejector relative to each other in response to the control commands to vary an offset between a longitudinal axis of the slider and a center axis of the electronic component to be transmitted.
- the image data acquirer can detect image data through the ejection device and accordingly detect the position of the electronic components hitherto obscured by the ejection device. Therefore, the position of the electronic components can be detected very accurately and thus the electronic components can be positioned more precisely.
- the positioning of the electronic components in the arrangement of the ejector, the first carrier and the second carrier can be done in which the electronic components are transmitted, the throughput rate is not affected by additional travel paths.
- the housing can be at least partially sealed by the translucent area, so that a negative pressure within the housing easier
- a method for positioning an electronic component to be transmitted relative to an ejection device is also proposed.
- a first carrier is provided with electronic components such that a first side of the first carrier rests against the ejection device.
- Image data is acquired by means of a beam path deflected by a first mirror, the image data containing information about the position of a slide of the ejection device and the position of a beam to be transmitted
- Positional data of the electronic component to be transmitted are determined on the basis of the acquired image data.
- Control commands for controlling at least one first actuator are generated on the basis of the determined position data of the electronic component to be transmitted; and the first carrier and / or the
- Ejectors are relatively moved due to the generated control command to change an offset between a longitudinal axis of the slider and a center axis of the electronic component to be transmitted.
- the image data acquisition device can acquire image data through the ejection device and accordingly also the position of the image data Capture electronic components that were previously hidden by the ejector. Therefore, the position of the electronic components can be detected very accurately and thus the electronic components can be positioned more precisely.
- the positioning of the electronic components in the arrangement of the ejector, the first carrier and the second carrier can be done in which the electronic components are transmitted, the throughput rate is not affected by additional travel paths.
- the housing can be at least partially sealed by the translucent area, so that a negative pressure within the housing easier
- a method for positioning an electronic component to be transmitted relative to an ejection device is also proposed.
- a first carrier is provided with electronic components such that a first side of the first carrier rests against the ejection device.
- Image data is captured, with the image data
- Positional data of the electronic component to be transmitted are determined on the basis of the acquired image data.
- Control commands for controlling at least one first actuator are based on the determined
- a device for positioning a second carrier with at least one contact surface for receiving an electronic component relative to an ejection device comprises a translucent support on which a first side of the second carrier rests; at least one third radiation source, which is arranged at a distance from the second carrier on a side facing away from the translucent support second side of the second carrier; at least one optical sensor element, which is set up to detect a marking applied to the second carrier and to generate corresponding sensor signals; and a controller configured to determine position data of the contact surface from the sensor signals, and based on the
- Position data to generate control commands ; and at least one second actuator configured to include a first carrier, the second carrier, and / or an ejector to move due to the control commands to change an offset between a longitudinal axis of the ejector and the contact surface.
- an image of the second carrier can be projected to the optical sensor element.
- the projection can also detect small differences in the opacity of the structures provided on the second support and the material of the second support as differences in brightness. Therefore, support materials can be used which have a relatively large opacity, such as paper or some plastics.
- Position data of the contact surface are determined from the generated sensor signals. From the determined position data control commands are generated for driving at least a second actuator; and the second carrier, the first carrier and / or the ejector are moved due to the generated control commands to an offset between the contact surface and a longitudinal axis of a slider
- the device or the method in this case comprises the device / the method for
- An ejection device and / or the device / method for positioning a second carrier relative to an ejector An ejection device and / or the device / method for positioning a second carrier relative to an ejector.
- the position of the electronic components can be detected, for example, due to sawing paths provided between the individual electronic components.
- the region detected by the image data acquisition device may comprise an electronic component to be transferred, that is to say the component which is to be transferred next, as well as neighboring components. It is also possible that the electronic component to be transmitted is covered by the slide. In this case, the position of the component to be transferred, for example, from the position of the surrounding / immediately adjacent components and / or from the course of the saw streets can be determined.
- the positioning of the electronic components to be transmitted and / or of the second carrier may be effected by a movement of the ejection device, the first carrier and / or the second carrier.
- the term "positioning" refers in particular to a relative movement between the ejection device and the first carrier and a relative movement between the ejection device, the first carrier and the second carrier. Whether the at least one first actuator and / or the at least one second actuator moves the ejection device, the first carrier and / or the second carrier is not relevant for this relative movement.
- a first radiation source may be provided within the housing.
- Radiation source may be, for example, at least one LED or at least one laser diode.
- the emitted from the first radiation source wavelength can be in the visible range, in the ultraviolet range and / or in the infrared range.
- the first radiation source can also be provided outside the housing.
- the first radiation source can illuminate the region detected by the image data acquisition device through the first light-transmissive region.
- a third light-permeable region can also be provided, through which the first radiation source can illuminate the region detected by the image data acquisition device.
- a first mirror may be arranged inside the housing of the ejection device. Approximately in the middle of the first mirror, an opening may be provided. Through this opening, the slider, in the direction of its longitudinal axis, be arranged to be movable. If the first mirror is provided, can in a particularly simple Embodiment dispensed with the first light-transmissive area. In such an embodiment, only a recess or a viewing channel may be provided in the housing, so that the interior of the housing is not by a
- a second mirror may be provided outside the housing.
- the second mirror may be a semitransparent mirror adapted to
- Radiation source may correspond, for example, the first radiation source.
- the second radiation source may correspond, for example, the first radiation source.
- Radiation source may also emit electromagnetic radiation, by which the electronic component is at least partially released from the first carrier.
- the housing may have a second transparent area.
- an opening may be provided through which the slider, in the direction of its longitudinal axis, is arranged to be movable.
- a mirror element can be arranged which is set up to couple electromagnetic radiation emitted by a fourth radiation source into the beam path between the optical sensor element and the translucent support.
- Mirror element may be, for example, a semi-transparent or semitransparent mirror.
- the contact surface for the electronic component to be transmitted and / or a conductor structure provided on the second carrier can be used as a marking.
- the third radiation source may be configured to illuminate the second side of the first carrier and the second side of the second carrier. Accordingly, an image of the first carrier to the image data acquisition device and an image of the second carrier to the optical sensor element can be projected with the third radiation source.
- the image data Before the position data is obtained from the image data, the image data may be processed to change perspective distortion in the image data. This can be advantageous, for example, if the image data acquisition device is arranged laterally and therefore detects the image data obliquely.
- Fig.l shows a first embodiment of a positioning device for the first carrier
- Fig. 2 shows a second embodiment of a positioning device for the first carrier
- Fig. 3 shows the first embodiment of a positioning device for the first carrier and a positioning device for the second carrier
- FIG. 4 shows a flowchart of a method for positioning a first carrier
- FIG. 5 shows a flow chart of a method for positioning a second carrier
- 6a and 6b show a third embodiment of a positioning device for the first carrier
- Fig. 7 shows a fourth embodiment of a positioning device for the first carrier.
- Fig. 1 shows an embodiment of a device for positioning
- the ejector 14 has a slider 16. One end of the slider 16 is connected to an actuator, not shown, and another end of the slider 16 has a tip.
- the actuator of the slide 16 can be controlled so that the slider 16 along the longitudinal axis Is of the slider shown in FIG. 1 can be moved, as indicated by the double arrow in Fig. 1.
- the slider 16 may be, for example, an ejection needle.
- the slider 16 is surrounded by a housing 18.
- the housing 18 has a
- the housing 18 has a first light-permeable region 20, which is arranged on a longitudinal side of the housing 18.
- Translucent means that the area for a Wavelength range of electromagnetic radiation is permeable. This wavelength range may, for example, be in the ultraviolet (UV) range, in the range of the radiation visible to humans and / or in the infrared (IR) range.
- the first translucent region 20 may be formed of glass or plastic, for example, and may be in the form of a plate. At least one surface of the first light-transmissive region 20 can be tilted to a longitudinal axis of the housing 18, that is, with the longitudinal axis of the housing 18 include an angle which is not equal to 0 °. As a result, for example, reflections on the surface of the transparent region 20 can be reduced.
- a support 22 On one side of the housing 18, a support 22 is provided, on which a first carrier 30 can rest.
- the support 22 is arranged substantially perpendicular to the longitudinal axis Is of the slider.
- a second transparent area 24 is provided.
- This second transmissive region 24 may be in the form of a plate and may be formed of the same material as the first transmissive region 20. Accordingly, the second transmissive region 24 may be transparent for the same wavelength region as the first transmissive region 20.
- the second transmissive region 24 may have a diameter of about 3 mm and a thickness of about 0.3 mm.
- an opening is provided through which the slider 16 can be moved.
- the diameter of the opening is therefore larger than the diameter of the slider 16.
- the opening may have a diameter of about 0.3 mm.
- a first radiation source 26 is provided on the housing 18, a first radiation source 26 is provided.
- This first radiation source 26 may be arranged within the housing 16, as shown by way of example in FIG. 1, or may be arranged on the outside of the housing 18. Alternatively, the first radiation source 26 may also be attached to a separate support member (not shown). As a result, the ejection device 14 can be moved independently of the first radiation source 26. If the first radiation source 26 is provided outside the housing 18, the first radiation source 26 may illuminate a region around the tip of the slider 16 through the first transparent region 20 or through a separate third transparent region. In this case, the first radiation source 26 can emit radiation of a wavelength range which corresponds approximately to the wavelength range in which the light-permeable regions 20, 24 are transparent. In addition, the first radiation source 26 can emit beams of a wavelength range corresponding to a wavelength range in which the material of the first carrier 30 is transparent or has a low opacity.
- the housing 18 may be substantially airtight, so that a negative pressure can be built up within the housing 18. This may be desirable, for example, for transferring the electronic components and / or for releasing the electronic components from the first carrier 30.
- the first carrier 30 On the support 22 is a first side of the first carrier 30 at.
- the first carrier 30 has a second, side facing away from the support side on which a plurality of the electronic components 12 is provided.
- the first carrier 30 may be, for example, a wafer foil.
- the electronic components may be isolated dies which have been applied to the wafer foil prior to singulation.
- the first carrier 30 is held by a receptacle 32.
- At least one first actuator 34 is provided on the receptacle 32, which enables a positioning of the electronic components 12 attached to the first carrier 30.
- the first actuator 34 may be configured to move the support and the first support 30 parallel to the support 22, ie in directions which are perpendicular to the longitudinal axis Is of the slide 16.
- FIG. 1 shows an image data acquisition device 40.
- the image data acquisition device 40 is arranged laterally next to the housing 18.
- the image data acquisition device 40 may be attached to a support member, not shown, so that the discharge device 14 may be moved independently of the image data acquisition device 40.
- the image data acquisition device 40 may also be attached to the housing 18 so that the image data acquisition device 40 can be moved with the ejection device 14.
- the image data acquisition device 40 is arranged relative to the first light-transmissive region 20 such that the image data acquisition device 40 can acquire image data of a region around the tip of the slider 16. This region also includes the portion of the first carrier 30 located under the second transparent region 24.
- the image data acquisition device 40 may include an optical sensor and a lens. Likewise, a camera can be used as an image data acquisition device.
- the image data acquisition device 40 can convert electromagnetic radiation of a specific wavelength range into signals. This wavelength range can be selected such that it at least partially corresponds to the wavelength ranges in which the first radiation source 26 emits rays and in which the transparent regions 20, 24 are transparent.
- the image data acquisition device 40 is connected, for example, by cable or radio to a controller 42, for example a programmable logic controller.
- the controller 42 is also connected to the first actuator 34.
- the controller 42 is configured to determine position data of an electronic component 12 to be transmitted in the image data captured by the image data acquisition device 40. On the basis of the position data of the electronic component 12 to be transmitted, the controller 42 can determine the offset between the longitudinal axis Is of the slider 16 and a central axis Ib of the electronic component extending through the center of gravity of the electronic component 12. If the determined offset exceeds a threshold, the controller 42 may generate control commands to drive the first actuator 34 to change the offset by moving the first carrier 30. The detected offset can also be changed by moving the ejector 14. Depending on the configuration of the device and the nature of the first carrier 30, the first carrier 30 and / or the ejector 14 can thus be moved.
- FIG. 1 A second embodiment is shown in FIG. This exemplary embodiment differs from the exemplary embodiment explained in conjunction with FIG. 1 in that the beam path of the image data acquisition device 40 is not rectilinear but is deflected by a first mirror 50.
- the first mirror 50 is disposed inside the housing 18.
- the arrangement of the first mirror 50 in the interior of the housing 18 allows the beam path of the image data acquisition device 40 to be deflected in such a way that the beam path "impinges" perpendicularly on the region of the first carrier 30 arranged below the transparent region 24.
- the images acquired by the image data acquisition device 40 correspond accordingly recorded image data no distortion.
- a first mirror 50 with a size of 4x6 mm can be arranged at an angle of 45 ° to the longitudinal axis Is of the slider 16.
- the first mirror 50 has an opening that may be located approximately at the center of the first mirror 50. Through the opening, the slider 16 may be arranged to be movable along its longitudinal axis Is.
- a second mirror 52 is provided outside the housing 18.
- the second mirror 52 can be attached to a separate carrier element. Accordingly, the ejector 14 can be moved independently of the second mirror 52.
- the carrier element can correspond to the carrier element, on which also the
- Image data acquisition device 40 is attached.
- the second mirror 52 may also be attached to the housing 18.
- the second mirror 52 may be a semi-transmissive mirror. This makes it possible to couple the radiation emitted by a second radiation source 54 into the beam path indicated by the optical axis. Accordingly, the second radiation source 54 does not require a separate transmissive region.
- the second radiation source 54 may additionally be configured to emit electromagnetic radiation which is suitable for at least partially dissolving an adhesive connection between the first carrier 30 and the electronic components provided on the first carrier 30.
- electromagnetic radiation By coupling in the electromagnetic radiation, the region of the first carrier 30, which is located directly below the second transparent region 24, can thus be irradiated in a targeted manner.
- UV or IR radiation can be used to partially release an adhesive bond.
- the image data acquisition device 40 is arranged.
- the beam path between the second mirror 52 and the image data acquisition device 40 is substantially parallel to the longitudinal axis Is of the slider 16.
- the image data acquisition device 40 may also be arranged at the position of the second mirror 52. Accordingly, the
- Image data acquisition device 40 then not vertically, as shown in Fig. 2, but arranged horizontally.
- the illustrated arrangement of the transparent regions 20, 24 and the image data acquisition device 40 thus makes it possible to acquire image data of a region of the first carrier 30 which would be covered by the ejection device 14 in known devices. Accordingly, the illustrated arrangement allows the electronic components 12 to be positioned when the first carrier is already resting on the support 22 or is located immediately below the support.
- FIG. 3 shows a device for transferring electronic components from a first carrier to a second carrier.
- This device includes in addition to the 1 also describes a device for positioning the second carrier relative to an ejection device.
- the second carrier 60 may be, for example, a substrate tape used as a substrate in the manufacture of smart cards.
- the second carrier 60 has a contact surface on which an electronic component 12 to be transferred is to be placed.
- the contact surface may have electrical contacts, but may as well be an electrically non-conductive structure.
- further structures for example strip conductors, may be provided on the second carrier 60.
- the conductor tracks or the contact surfaces can be used as markings. However, it is also possible to provide separate markings.
- the second carrier 60 lies with its first side on a translucent support 62.
- the translucent pad 62 may be formed of the same material as the translucent areas 20, 24 and, accordingly, transparent to a comparable wavelength range.
- the translucent pad 62 is curved. The curvature is chosen so that the second carrier 60 rests evenly on the translucent support 62.
- a curved support it is also possible to provide a flat support with or without rounded edges.
- a third radiation source 64 is provided between the second side of the first carrier 30 and the second side of the second carrier 60.
- the third radiation source 64 may substantially correspond to the first and second radiation sources 26, 54.
- the third radiation source 64 is configured to illuminate the gap between the first carrier 30 and the second carrier 60.
- the wavelength range emitted by the third radiation source 64 may be matched to the material of the second carrier 60 and the translucent support 62.
- the third radiation source 64 can emit radiation in a wavelength range in which the material of the second carrier 60 and / or the translucent support 62 is transparent or has a low opacity.
- the third radiation source 64 can emit radiation of a wavelength range for which paper has a particularly low opacity.
- an optical sensor element 66 Spaced from the translucent support 62, an optical sensor element 66 is provided.
- the optical sensor element 66 is arranged on the ejection device 14 opposite side of the transparent support 62.
- the optical sensor element 66 is configured to detect a mark provided on the second carrier 60 and to output corresponding sensor signals. As already indicated, this marking may be a contact surface or a conductor track which is provided on the second carrier 60. Likewise, a separate marking, for example in the form of a recess of the second carrier 60 may be provided.
- the optical sensor element 66 may correspond, for example, to the image data acquisition devices 40 described above. In a particularly simple embodiment, however, the optical sensor element may also be a phototransistor or a photodiode.
- the phototransistor or the photodiode can form a fork light barrier with the third radiation source 64, with which the recess in the second carrier 60 can be detected.
- a conventional forked light barrier can be used to detect the mark.
- the structure of the second support can be projected to the optical sensor element 66, ie the optical sensor element 66 detects the "shadow" of the second support 60.
- the markings provided on the second carrier generally have a greater opacity than the material of the second carrier 60, in the projection the structures provided on the second carrier 60 can be well recognized due to brightness differences and thus for positioning of the second carrier relative to the second carrier
- Ejector 14 can be used.
- a partially transparent mirror 68 is provided, which is adapted to reflect the radiation of a fourth radiation source 70 to the translucent support.
- the partially transmissive mirror 68 is adapted to transmit radiation from the translucent support 62 to the optical sensor element 66.
- the arrangement of the fourth radiation source 70 and of the optical sensor element 66 can vary. For example, the positions of the optical sensor element 66 and the fourth radiation source may be interchanged.
- the optical sensor element 66 is connected to the controller 42.
- the controller 42 is set up from the sensor signals of the optical sensor element 66
- the controller 42 may determine the position of a marker. On the basis of the determined position data, the controller can determine whether there is an offset between the longitudinal axis of the slide Is and the contact surface for the electronic component 12a to be transmitted and optionally generate a control command for actuating at least one second actuator 74 to change the offset.
- the second actuator 74 is configured to move the second carrier 60 relative to the ejector 14 and the first carrier 30, thereby correcting the detected offset.
- the at least one second actuator may be a drive that rolls off or rolls up the substrate strip.
- the electromagnetic radiation emitted by the third radiation source 64 can also illuminate the part of the first carrier detected by the image data acquisition device 40.
- the third radiation source 64 can project the electronic components 12 and sawing paths between the electronic components to the image data acquisition device 40.
- the first and / or second radiation source 26, 54 can be dispensed with.
- step S10 the first carrier 30 is provided.
- the first carrier 30 is arranged below the ejection device 14, so that the first carrier 30 rests against the ejection device 14 or at least only has a very small distance to the ejection device 14.
- the electronic component 12a to be transmitted would be covered by a conventional ejection device 14.
- step S20 the image data acquisition device 40 acquires image data of the first carrier 30.
- the image data contains at least information on the position of the slider 16 and the position of the electronic component 12a to be transmitted. Because the electronic
- Image data acquisition device 40 remote from the second side of the first carrier 30 are provided, the first carrier 30 should have a certain transparency, so that the shege Node Node No. 12a due to
- Brightness differences in the image data can be determined.
- step S30 the image data is processed to change a perspective distortion in the image data.
- Such distortions occur, for example, when the image data acquisition device 40, as shown in FIG. 1, is arranged laterally and Therefore, the image data "obliquely" detected, so the beam path of
- step S40 the position data of the electronic component to be transmitted is determined from the acquired image data.
- the saw streets can be used. If the first carrier has a certain transparency, the saw lines in the captured image data can usually be recognized well.
- the position data of the electronic component can be determined from the sawing streets surrounding the electronic component.
- the controller 42 can detect the position of the electronic components 12, 12a, if the
- Image data acquisition device 40 always captures the image data in the same position, ie the arrangement of the image data acquisition device 40 relative to the ejection device 14 and to the first carrier 30 remains the same.
- step S50 an offset between the longitudinal axis Is of the slider and the central axis of the electronic component to be transmitted is determined from the position data.
- step S60 unless an offset is detected or the offset is within a tolerable range, a control command is transmitted in step S90 to transmit the
- Threshold exceeds, control commands are generated and output to the at least one first actuator 34.
- step S70 the at least one first actuator 34 moves the first carrier 30 and / or the ejector 14 to change the detected offset.
- step S80 it is possible to query whether the second carrier 60 has already been correctly positioned, that is to say that the method described below in connection with FIG. 5 has already been correctly carried out. This may be detected, for example, due to a second enable signal generated in step S180. Accordingly, a first enable signal can be generated in step S80, which is then taken into account in the method for positioning the second carrier 60. After the steps S70 and S80 have been completed, a control command for transferring the electronic component 12a may be generated and output in step S90. Alternatively, the method may also be restarted to
- step S110 the second carrier 60 is provided. This can be done, for example, by rolling a substrate strip.
- the second carrier 60 has a mark that can be detected by the optical sensor element 66.
- step S120 the third radiation source 64 illuminates the second side of the second carrier 60.
- an image of the second carrier 60 can be projected to the optical sensor element 66.
- the third radiation source 64 can be at least as long
- step S130 the optical sensor element 66 generates sensor signals due to the projected image of the second carrier 60.
- step S140 the controller 42 determines the position data of the contact surface provided on the second carrier 60 from the sensor signals.
- step S150 an offset between the determined position data becomes
- step S160 it is determined whether the offset exceeds a threshold. For example, this threshold may be set prior to executing the method. If the offset is smaller than the threshold value, a control command for transmitting the electronic part 12a can be directly outputted (step S190). If the offset is greater than the determined threshold value, a control command for the at least one second actuator 74 is generated and output.
- a threshold may be set prior to executing the method. If the offset is smaller than the threshold value, a control command for transmitting the electronic part 12a can be directly outputted (step S190). If the offset is greater than the determined threshold value, a control command for the at least one second actuator 74 is generated and output.
- step S170 the at least one second actuator 74 moves the second carrier 60, the first carrier 30, and / or the ejector 14 to change the offset.
- step S180 it may be queried whether the first carrier 30 and the first carrier 30
- Ejector 14 are already positioned correctly, so the method described above in connection with FIG. 4 has already been carried out correctly. This can be detected, for example, on the basis of a first enable signal generated in step S80.
- a second enable signal can be generated in step S180, which is taken into account in the method for positioning the first carrier 30.
- step S190 a control command for transmitting the electronic component 12a may be generated and output.
- the method may also be restarted to determine if the contact surface for receiving the electronic component is indeed correctly positioned.
- An ejector 102 has a slider 104 and a housing 106 surrounding the slider 104.
- Ejector 102 may substantially correspond to the ejector 14 described in connection with FIG. 1, however, in the embodiment shown in FIG. 6a
- Embodiment no first translucent area 20 required.
- the embodiment shown in Fig. 6a has at least two indirect
- Image data acquisition devices 108, 110 The term “indirect” indicates that not image data of the electronic component to be transmitted, ie the component that is located directly under the slide, but image data from neighboring
- the indirect image data acquisition devices 108, 110 may correspond to the image data acquisition device 40 described in connection with FIG.
- the indirect image data acquisition devices 108, 110 are arranged at a distance from the ejection device 102.
- Image data acquisition devices 108, 110 are substantially parallel to the longitudinal axis Is of the slider 106.
- Fig. 6b is a plan view of the article shown in Fig. 6a.
- the hatched area in the circle indicates the region of the first carrier 30 covered by the ejector 102 and the grid the sawing paths of the wafer.
- the object shown in Fig. 6b has four indirect image data acquisition devices 108, 110, 112, 114.
- the indirect image data acquisition devices 108, 110, 112, 114 acquire image data from electronic components which are arranged under the indirect image data acquisition devices 108, 110, 112, 114. Accordingly, image data about the electronic components 116, 118, 120, 122 is detected.
- the electronic components 116, 118, 120, 122 are arranged at a distance from the electronic component 124 to be transmitted.
- the image data acquired by the indirect image data acquisition devices 108, 110, 112, 114 are transmitted to a controller 126 shown in FIG. 6a.
- the controller 126 is configured to determine position data of the spaced electronic components 116, 118, 120, 122.
- the controller 126 is further configured to access stored array data, the array data including information about the placement of the electronic components on the first carrier.
- Arrangement data may be provided, for example, by a manufacturer of the electronic components and stored in a memory (not shown). Alternatively, the arrangement of the electronic components on the first carrier may also be previously detected.
- the controller 126 can then determine position data of the electronic component 124 to be transmitted. Due to the position data of the electronic component 124 to be transmitted, the controller 126 can determine whether the position of the electronic component 124 to be transmitted has an offset from the longitudinal axis Is of the slider. Accordingly, the controller 126 may then generate a control command for driving the at least one first actuator so as to cause a resulting movement of the first carrier 30 and / or the first actuator
- a movable image data acquisition device 150 is provided in addition to or as an alternative to the image data acquisition devices 40 described above, and indirect image data acquisition devices 108, 110, 112, 114.
- the movable image data acquisition device 150 is attached, for example, to a swivel arm 152, which makes it possible to move the movable image data acquisition device 150 between the first position shown in FIG. 7 and a second position (not shown).
- the first position is located between the first carrier 30 and the second carrier 60, to which the electronic components 12 are to be transmitted.
- the movable image data acquirer 150 may acquire image data of the second side of the first carrier 30.
- the first position may be selected, for example, such that the optical axis of the movable image data acquisition device 150 coincides with the longitudinal axis Is of the slider.
- the movable image data acquisition device 150 may transmit the acquired image data to a controller 156.
- the controller 156 can then determine from the acquired image data position data of an electronic component to be transmitted. Comparable to the exemplary embodiments described above, the controller 156 can determine from the position data whether there is an offset between the longitudinal axis Is of the slider 16 and the center axis Ib of the electronic component 12. If this offset exceeds a threshold, a control command is generated with which then the at least one first actuator 34 is driven to change the offset.
- the movable image data acquisition device 150 makes it possible to detect distortion-free image data of the electronic components 12. However, since the movable image data acquirer 150 is located between the first carrier 30 and the second carrier 60, the movable image data acquirer 150 must be moved to the second position before electronic components can be transmitted. In addition, it may be necessary to increase the distance between the first carrier 30 and the second carrier 60. For this purpose, a movement of the first carrier 30, the ejection device 14 and / or a movement of the second carrier 60 may be provided.
- the transmission of the electronic signals may be interrupted
- the position data of the electronic components 12 are also detected randomly. For example, after a certain number of electronic components have been transferred from the first carrier to the second carrier, the movable image data acquisition device 150 may be brought into the first position to determine the position data of an electronic component. Based on the determined position data then any offset can be corrected.
- the position of the adjacent electronic components can be extrapolated from the stored arrangement data. For example, it is possible to record only the position data of an electronic component for each column or row of electronic components.
- This may be, for example, the electronic component that is to be transmitted as the first component of the column or row.
- the position of the remaining electronic components of the column or row is then through Extrapolation determined. It can be seen that a random check can also be provided in conjunction with the methods illustrated in FIGS. 4 and 5.
- the reference component (s) may, for example, be the reference of the wafer mask, ie components whose position serves as reference points for the arrangement data.
- the movable image data acquisition device 150 shown in FIG. 7 may also be used to acquire arrangement data of the electronic components provided on the first support.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Supply And Installment Of Electrical Components (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102011104225.7A DE102011104225B4 (de) | 2011-06-15 | 2011-06-15 | Vorrichtung und Verfahren zum Positionieren eines elektronischen Bauteils und / oder eines Trägers relativ zu einer Ausstoßeinrichtung |
PCT/EP2012/002482 WO2012171633A1 (de) | 2011-06-15 | 2012-06-12 | Vorrichtung und verfahren zum positionieren eines elektronischen bauteils und/oder eines trägers relativ zu einer ausstosseinrichtung |
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EP2721635A1 true EP2721635A1 (de) | 2014-04-23 |
EP2721635B1 EP2721635B1 (de) | 2015-07-29 |
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EP (1) | EP2721635B1 (de) |
JP (1) | JP5886948B2 (de) |
KR (1) | KR101575833B1 (de) |
CN (1) | CN103843125B (de) |
DE (1) | DE102011104225B4 (de) |
MY (1) | MY185205A (de) |
WO (1) | WO2012171633A1 (de) |
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DE102015013500A1 (de) * | 2015-10-16 | 2017-04-20 | Mühlbauer Gmbh & Co. Kg | Bildgebender Sensor für eine Bauteilhandhabungsvorrichtung |
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DE102016009765B4 (de) | 2016-08-11 | 2018-07-05 | Mühlbauer Gmbh & Co. Kg | Vorrichtung und Verfahren zum Übertragen eines elektronischen Bauteils von einem Träger zu einem Substrat |
US10141215B2 (en) | 2016-11-03 | 2018-11-27 | Rohinni, LLC | Compliant needle for direct transfer of semiconductor devices |
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TWI606530B (zh) * | 2017-03-29 | 2017-11-21 | 台灣愛司帝科技股份有限公司 | 位置偵測與晶片分離裝置 |
US10410905B1 (en) * | 2018-05-12 | 2019-09-10 | Rohinni, LLC | Method and apparatus for direct transfer of multiple semiconductor devices |
DE102018006771B4 (de) | 2018-08-27 | 2022-09-08 | Mühlbauer Gmbh & Co. Kg | Vorrichtung und Verfahren zum Übertragen elektronischer Bauteile von einem ersten zu einem zweiten Träger |
DE102018006760A1 (de) * | 2018-08-27 | 2020-02-27 | Mühlbauer Gmbh & Co. Kg | Inspektion beim Übertragen elektronischer Bauteile von einem ersten zu einem zweiten Träger |
US11001078B2 (en) | 2018-09-28 | 2021-05-11 | Rohinni, LLC | Interchangeable guide head for transfer mechanism |
US11094571B2 (en) | 2018-09-28 | 2021-08-17 | Rohinni, LLC | Apparatus to increase transferspeed of semiconductor devices with micro-adjustment |
US11232968B2 (en) | 2018-09-28 | 2022-01-25 | Rohinni, LLC | Variable pitch multi-needle head for transfer of semiconductor devices |
CN109524316B (zh) * | 2018-10-25 | 2021-09-21 | 通富微电子股份有限公司 | 一种半导体芯片封装方法和半导体芯片封装用载盘 |
US11217471B2 (en) * | 2019-03-06 | 2022-01-04 | Rohinni, LLC | Multi-axis movement for transfer of semiconductor devices |
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2011
- 2011-06-15 DE DE102011104225.7A patent/DE102011104225B4/de active Active
-
2012
- 2012-06-12 EP EP12727597.2A patent/EP2721635B1/de active Active
- 2012-06-12 WO PCT/EP2012/002482 patent/WO2012171633A1/de active Application Filing
- 2012-06-12 CN CN201280029691.7A patent/CN103843125B/zh active Active
- 2012-06-12 US US14/126,400 patent/US8948905B2/en active Active
- 2012-06-12 KR KR1020147001173A patent/KR101575833B1/ko active IP Right Grant
- 2012-06-12 JP JP2014515087A patent/JP5886948B2/ja active Active
- 2012-06-12 MY MYPI2013702454A patent/MY185205A/en unknown
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KR20140041754A (ko) | 2014-04-04 |
KR101575833B1 (ko) | 2015-12-08 |
CN103843125B (zh) | 2016-08-17 |
US20140142740A1 (en) | 2014-05-22 |
DE102011104225A1 (de) | 2012-12-20 |
JP5886948B2 (ja) | 2016-03-16 |
CN103843125A (zh) | 2014-06-04 |
JP2014517539A (ja) | 2014-07-17 |
US8948905B2 (en) | 2015-02-03 |
MY185205A (en) | 2021-04-30 |
EP2721635B1 (de) | 2015-07-29 |
WO2012171633A1 (de) | 2012-12-20 |
DE102011104225B4 (de) | 2017-08-24 |
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